Domino’s Pizza on Tuesday scaled back its full-year sales outlook, warning that U.S. and international comparable sales growth would remain muted, sending shares down about 3 per cent in early trading. The pizza giant has reported slowing comparable sales for several quarters running, squeezed by rising competition, persistent inflation and a softening US labor market that have made consumers increasingly cautious about discretionary spending. Here are some details: --- Reporting by Anuja Bharat Mistry in Bengaluru; Editing by Tasim Zahid